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Whole Thorax Irradiation of Non-human Primates Induces Persistent Nuclear Damage and Gene Expression Changes in Peripheral Blood Cells

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Journal PLoS One
Date 2018 Jan 20
PMID 29351567
Citations 24
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Abstract

We investigated the cytogenetic and gene expression responses of peripheral blood cells of non-human primates (NHP, Macaca mulatta) that were whole-thorax irradiated with a single dose of 10 Gy. In this model, partial irradiation of NHPs in the thoracic region (Whole Thorax Lung Irradiation, WTLI) allows the study of late radiation-induced lung injury, while avoiding acute radiation syndromes related to hematopoietic and gastrointestinal injury. A transient drop in circulating lymphocytes and platelets was seen by 9 days, followed by elevations in respiratory rate, circulating neutrophils, lymphocytes, and monocytes at 60-100 days, corresponding to computed tomography (CT) and histologic evidence of pneumonitis, and elective euthanasia of four animals. To evaluate long-term DNA damage in NHP peripheral blood lymphocytes after 10 Gy WTLI, we used the cytokinesis-block micronucleus (CBMN) assay to measure chromosomal aberrations as post-mitotic micronuclei in blood samples collected up to 8 months after irradiation. Regression analysis showed significant induction of micronuclei in NHP blood cells that persisted with a gradual decline over the 8-month study period, suggesting long-term DNA damage in blood lymphocytes after WTLI. We also report transcriptomic changes in blood up to 30 days after WTLI. We isolated total RNA from peripheral blood at 3 days before and then at 2, 5 and 30 days after irradiation. We identified 1187 transcripts that were significantly changed across the 30-day time course. From changes in gene expression, we identified biological processes related to immune responses, which persisted across the 30-day study. Response to oxygen-containing compounds and bacteria were implicated by gene-expression changes at the earliest day 2 and latest, day 30 time-points. Gene expression changes suggest a persistent altered state of the immune system, specifically response to infection, for at least a month after WTLI.

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References
1.
Thierens H, De Ruyck K, Vral A, de Gelder V, Whitehouse C, Tawn E . Cytogenetic biodosimetry of an accidental exposure of a radiological worker using multiple assays. Radiat Prot Dosimetry. 2005; 113(4):408-14. DOI: 10.1093/rpd/nch483. View

2.
Dressman H, Muramoto G, Chao N, Meadows S, Marshall D, Ginsburg G . Gene expression signatures that predict radiation exposure in mice and humans. PLoS Med. 2007; 4(4):e106. PMC: 1845155. DOI: 10.1371/journal.pmed.0040106. View

3.
Prado C, Kazi A, Bennett A, MacVittie T, Prado K . Mean Organ Doses Resulting From Non-Human Primate Whole Thorax Lung Irradiation Prescribed to Mid-Line Tissue. Health Phys. 2015; 109(5):367-73. PMC: 4593315. DOI: 10.1097/HP.0000000000000336. View

4.
Daadi M, Barberi T, Shi Q, Lanford R . Nonhuman primate models in translational regenerative medicine. Stem Cells Dev. 2014; 23 Suppl 1:83-7. PMC: 4236035. DOI: 10.1089/scd.2014.0374. View

5.
MacVittie T . The MCART Consortium animal models series. Health Phys. 2012; 103(4):340-2. DOI: 10.1097/HP.0b013e318261175a. View